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Patent No. 5823572

Self Defense Weapon With Memo

A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.

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Class 451/334 - Reciprocating


Subclass of Class 451 - Abrading
Definition: Work feeder in which the work conveying means moves the
No. of patents: 40
Last issue date: 03/25/2008


NumberTitleIssue Date
7347769Method of fabricating pliant workpieces, tools for performing the method and methods for making those tools
An improved method of manufacturing automotive accessory drive belts or other workpieces of pliant material which have a grooved operative face, a tool having an abrasive ramp configuration for performing said improved method and a method of manufacturing said tool ...
03/25/2008
7273159Cordless power tool system with improved power output
An ergonomically efficient cordless power tool system having desired power-to-weight ratios may be configured by reducing weight in one or more constituent weight groups of a given cordless power tool system, while maintaining or improving the total power output of ...
09/25/2007
7165927Automated material handling system for semiconductor manufacturing based on a combination of vertical carousels and overhead hoists
An Automated Material Handling System (AMHS) that allows an overhead hoist transport vehicle to load/ unload parts directly to/from storage units included in the system. The AMHS includes an overhead hoist transport subsystem and a vertical carousel stocker having a...
01/23/2007
7101138Extractor/buffer
An automated material handling system that includes an extractor/buffer apparatus capable of simultaneously accessing multiple Work-In-Process (WIP) parts, thereby providing a highly efficient interface between WIP storage locations and transport equipment. The extr...
09/05/2006
7101253Load cup for chemical mechanical polishing
A load cup for transferring a substrate in a chemical mechanical polishing system is provided. In one embodiment, a load cup for transferring substrates in a chemical mechanical polishing system includes a substrate support having a first side adapted to support a s...
09/05/2006
7056189Grinding method of a workpiece and grinding apparatus
An adaptive work table-reciprocation control system and method that can reduce a grinding time. The system uses a vibration sensor head installed on a chuck surface in the vicinity of the workpiece to detect a vibration signal emitted from the contact zone between t...
06/06/2006
6937005Rotating gripper wafer flipper
A method for inspecting semiconductor wafers. Specifically, an arm which is constructed to hold a wafer, is mounted on a rotational device to provide a user with the means of inspecting a wafer in any position without having to physically touch the wafer or move the...
08/30/2005
6909276Rotating gripper wafer flipper
A method for fabricating semiconductor wafers. Specifically, an arm which is constructed to hold a wafer, is mounted on a rotational device to provide a user with the means of inspecting a wafer in any position without having to physically touch the wafer or move th...
06/21/2005
6641467Power tool
A power tool (2) includes a motor (22) pivotally mounted within the housing of the tool. The tool is able to accept any one of a plurality of attachment members (44, 46, 48)....
11/04/2003
6458015Chemical-mechanical planarization machine and method for uniformly planarizing semiconductor wafers
An apparatus and method for uniformly planarizing a surface of a semiconductor wafer and accurately stopping CMP processing at a desired endpoint. In one embodiment, a planarizing machine has a platen mounted to a support structure, an underpad attached t...
10/01/2002
6375556Grinding apparatus for grinding workpieces
The apparatus includes a frame and a holder rotatably secured to the frame for releasably holding a first workpiece of the workpieces. A mechanism is provided for rotating the holder from a loading station to a grinding station and a grinder is movably se...
04/23/2002
6155908Work-loading method and surface-grinding apparatus with work position deviation-adjusting mechanism
There are provided with a carrier having a work-holding hole in which a work is fitted and held, a surface plate for grinding the work held on the carrier, and exciter for exciting the carrier to adjust a position of the work deviated from the work-holdin...
12/05/2000
6062961Wafer polishing head drive
A wafer polisher head drive includes a head drive housing; a head portion extending from the housing for mounting an unpolished wafer when the head drive housing and head portion are in a horizontal orientation; a pivot mechanism extending from the head d...
05/16/2000
5947802Wafer shuttle system
A shuttle system for transferring a semiconductor wafer from a receiving station to a horizontal-oriented head drive of a wafer polishing machine includes a linear horizontal rail extending from a first position to a second position; a wafer transfer asse...
09/07/1999
5618227Apparatus for polishing wafer
There is disclosed a wafer-polishing apparatus suitably designed to carry out a chemical mechanical polishing operation. The apparatus includes a lower polishing plate assembly, a first rotating mechanism for rotating the first polishing plate assembly, a...
04/08/1997
5333413Automatic wafer lapping apparatus
An automatic wafer lapping apparatus including: a lapping assembly consisting of an upper lapping plate, a lower lapping plate and wafer carriers; a loader assembly installed in the vicinity of the lapping assembly; an unloader assembly installed in the v...
08/02/1994
5329732Wafer polishing method and apparatus
A wafer polishing apparatus includes a wafer polishing assembly having a plurality of wafer carriers for substantially simultaneously polishing a plurality of wafers against a rotating polishing surface. A plurality of wafers to be polished are substantia...
07/19/1994
5274956Device for grinding the working rolls of a planetary mill
A device for facilitating the grinding of the working rolls of a planetary rolling mill in which working rolls are mounted together with intermediate rolls in cages which rotate about a support body, a rolling mill having an upper planet roll and a lower ...
01/04/1994
5216842Glass grinding and polishing machine
A machine for grinding and polishing ends of glass articles comprises a grinding wheel mounted for rotation about a first axis, and a fixture for holding a plurality of articles to be ground by the wheel. The fixture includes a spindle rotatable about a s...
06/08/1993
5182881Automated spindle slurry system
An automated abrasive slurry metal finishing machine and process includes a part handler which transfers a metal part to a single spindle which inserts the part into the abrasive slurry for rotation oscillation and pendulum motion of the part in particula...
02/02/1993
5115599Apparatus for removal of workpiece elements, particularly bolt, rod or disk-shaped elements, from a cutting apparatus
A unitary workpiece handling system has a frame (10) which can be operatively coupled to a supply conveyor (1, 4, 5, 6) which transports workpieces to a supply position. Two transfer jaws (17, 18) engage and guide and may grip the workpiece at end faces a...
05/26/1992
4856232Workpiece carrier means for surface grinding machine
A workpiece carrier means for a surface grinding machine providing in a rockable carrier arm a revolving workpiece holder which holds plural workpieces, feeding the plural workpieces in between grinding wheels while simultaneously revolving them, providin...
08/15/1989
4848039Method and apparatus for grinding multiple workpieces
A method and apparatus are provided for effecting high production rate grinding of a plurality of workpieces on a grinding wheel rotating about an axis with reduced power consumption. Each workpiece is mounted in a holding fixture adjacent the grinding wh...
07/18/1989
4802311Method of grinding rotary workpieces
The grinding of successive workpieces in a surface grinding machine with automatic transport of workpieces to and from the grinding station is interrupted at preselected intervals to replace the workpiece at the grinding station with a pattern which is co...
02/07/1989
4787178Fluid-jet cutting apparatus
A sheet of glass or similar material is moved to and in the cutting area of the apparatus by sheet gripping assemblies that engage and grip an edge portion of the sheet, and that undergo precise controlled movement. A fluid-jet discharging nozzle moves ab...
11/29/1988
4787176Drill bit sharpening apparatus
A walking beam conveyor (54) delivers drill bits (B), one at a time, into a feed position. A pushrod (52) moves a drill bit (B) from the feed position into the nosepiece (36) of a robot arm (28). The drill bit (B) enters the nosepiece (36) shank end first...
11/29/1988
4680896Tool unloading mechanism for automatic tool grinding machine
Successively finished drills or other tools are ejected from a chuck into successive angularly spaced openings in a rotary turret, mounted on a carriage with a power device for reciprocating the turret into and out of an unloading position. A ratchet whee...
07/21/1987
4672775Method and apparatus for grinding multiple workpieces
A method and apparatus are provided for effecting high production rate grinding of a plurality of workpieces on a grinding wheel rotating about an axis with reduced power consumption. Each workpiece is mounted in a holding fixture adjacent the grinding wh...
06/16/1987
4468893Machine for machining and in particular grinding cylindrical surfaces
The machine comprises a support surface for a reference surface on the body of the workpiece, and a device for fixing the body on the support surface and releasing the body. A withdrawable device is provided for angularly positioning the blank on the supp...
09/04/1984
4434583Automatically adjustable workpiece guide and feed mechanism
An automatically adjustable mechanism for feeding or guiding workpieces along a predetermined flow path from a first position toward a second position adjacent a centerless grinder work rest. The mechanism includes a guide assembly having a pair of parall...
03/06/1984
4406091Apparatus for grinding the edges of glass sheets
An apparatus for grinding the edges of glass sheets comprises a device for supporting a stack of such sheets at a supply station, a table adjacent this supply station and dimensioned to support one of the sheets with its sheet edge overhanging the table, ...
09/27/1983
4251957Workpiece transfer apparatus for a plurality of machine tools
A workpiece transfer apparatus is provided wherein an overhead transfer rail is arranged along and over a line of machine tools performing the same machining function, for guiding a plurality of pairs of workpiece carriers associated respectively with the...
02/24/1981
4209087Workpiece feed and removal mechanism
A mechanism for moving a plurality of workpieces toward a work station of a machine tool, loading workpieces into the machine tool, and removing processed workpieces therefrom in which the mechanism for indexing, raising and lowering a walking beam is car...
06/24/1980
4161849Auxiliary workpiece-loading and -unloading apparatus
Apparatus for facilitating the loading and unloading of workpieces to be machined on a machine tool having a horizontal-axis headstock and at least one rotary or pendular arm designed to transport the workpieces, without changing their orientation, from a...
07/24/1979
4148161Loading unit for an automatic bur grinding machine
A bur grinding machine especially adapted to grind dental burs and including a turntable supporting a plurality of similar workheads having collets to support bur blanks; a plurality of grinding units mounted on a stationary base in circumferentially spac...
04/10/1979
4043767Centerless grinding machine using tangential-feed method
A centerless grinding machine of tangential feed type including a work holder which is divided into a workrest for holding a workpiece as well as for loading and unloading same to and from grinding position, and a workrest holder for supporting the workre...
08/23/1977
4038785Method and apparatus for transferring and operating on articles
The features of the invention are illustrated in a preferred embodiment which provides novel apparatus for carrying out the method of automatically beveling the edges or rims of television picture tube funnel or viewing panel components. The components ar...
08/02/1977
4033076Cylindrical grinding machine with workpiece loader and unloader
A cylindrical grinding machine comprising workpiece clamping means including a throwblock and a jaw member, a workpiece loader including workpiece engaging means, a workpiece unloader including workpiece engaging means, means for displacing the loader wor...
07/05/1977
4019283Grinding machine loader assembly
An improved grinding machine loader assembly includes a rotatable wheel upon which a plurality of workpiece supports are mounted at equally spaced apart locations. After a latch member has been moved into engagement with the wheel and a locking member has...
04/26/1977
4002246Apparatus for handling workpieces such as semiconductor substrates
Apparatus for handling delicate workpieces such as semiconductor substrates which have the configuration of small plates. The workpieces are preliminarily situated at predetermined locations in a positioning plane. Then, without changing their positions r...
01/11/1977
 
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